Can someone show me why (a - b) ^2 - (c + d)^2 = (a-b-c-d)(a-b+c+d)
Follow Math Help Forum on Facebook and Google+
Use the difference of two squares pattern: Substitute "a - b" for x and "c + d" for y:
Originally Posted by Alan306090 Can someone show me why (a - b) ^2 - (c + d)^2 = (a-b-c-d)(a-b+c+d) let and working from the right side ...
View Tag Cloud